net: mdns_responder: Convert mDNS responder to use socket service API

Instead of using net_context API directly, the mDNS responder is
changed to use the socket service API. This allows DNS access
for offloaded sockets and can lower overall memory consumption.

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
5 files changed